A Manual of Practical AssayingLongmans, Green, and Company, 1868 - 697 páginas |
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Página xviii
... Glass , 185. Analysis of different kinds of glass , 186 . Borax , 185. Fluor spar , 187. Carbonate of potash and carbonate of soda , 187. Nitrate of potash , 188. Common • 183 184 salt or chloride of sodium , 188 . Black flux xviii ...
... Glass , 185. Analysis of different kinds of glass , 186 . Borax , 185. Fluor spar , 187. Carbonate of potash and carbonate of soda , 187. Nitrate of potash , 188. Common • 183 184 salt or chloride of sodium , 188 . Black flux xviii ...
Página xix
... Glass of lead , 193. Borate of lead , 193. Sulphate of lead , 193. Oxide of copper , 194. The oxides of iron , 194 . CHAPTER VII . PAGE . 193 The blowpipe and its use The blowpipe , 196. Flame for the blowpipe , 198. Faraday's ...
... Glass of lead , 193. Borate of lead , 193. Sulphate of lead , 193. Oxide of copper , 194. The oxides of iron , 194 . CHAPTER VII . PAGE . 193 The blowpipe and its use The blowpipe , 196. Flame for the blowpipe , 198. Faraday's ...
Página 33
... glass , or platinum capsule , in the left pan , and carefully ascertain its weight . Let us suppose it weighs 106-347 grains ; now put the mineral in the watch- glass and ascertain the united weight of the two . This we will imagine ...
... glass , or platinum capsule , in the left pan , and carefully ascertain its weight . Let us suppose it weighs 106-347 grains ; now put the mineral in the watch- glass and ascertain the united weight of the two . This we will imagine ...
Página 44
... glass , having a bulb blown in its centre , which is heated either by a spirit or gas lamp . Attached to it is a tube full of dried chloride of calcium , through which the hydrogen gas effecting the reduction passes to perfectly dry it ...
... glass , having a bulb blown in its centre , which is heated either by a spirit or gas lamp . Attached to it is a tube full of dried chloride of calcium , through which the hydrogen gas effecting the reduction passes to perfectly dry it ...
Página 45
... glass flasks ; clean Florence oil flasks are very appropriate for most purposes . They may be supported on a hot sand bath , or on a metal ring or coarse wire gauze , over the naked gas or spirit - flame . The flask should be placed in ...
... glass flasks ; clean Florence oil flasks are very appropriate for most purposes . They may be supported on a hot sand bath , or on a metal ring or coarse wire gauze , over the naked gas or spirit - flame . The flask should be placed in ...
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Términos y frases comunes
added alloy ammonia amount antimony aqua regia arsenic ascertained assay bismuth black flux blowpipe boiling borax button calcined carats carbonate of soda carbonic acid cent charcoal chloride of silver clay cobalt colour combustion containing cooling copper Crown 8vo crucible cubic cubic centimetres cupel decomposed dilute dissolved Edition employed excess filter flame flask fluid fuel furnace fused fusible fusion gives glass globule gold grains grammes heat hydrochloric acid ignited inches iron lime liquid litharge manganese matter melted mercury metal method mineral mixed mixture muffle nickel nitrate nitric acid normal solution obtained operation Ounce oxide oxide of lead oxidising oxygen permanganate peroxide pipette placed plate platinum potash potassium powder precipitate produced proportion protoxide pulverised pure readily reduced roasting salt silica slag small quantity sodium specific gravity substance sulphate of lead sulphide sulphuric acid temperature thousandths tion tube vessel washed weight Woodcuts zinc
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